Questions on the Anatomy and Physiology
Part A
The lung is ________ to the heart.
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medial |
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lateral |
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anterior |
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superior |
This is an example of __________.
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nonpolar covalent bond |
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ionic bond |
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hydrogen bond |
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polar covalent bond |
Part A
Which structure is found in the dermis?
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sweat gland |
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dendritic cell |
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melanocyte |
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keratinocyte |
A compound is an acid if it ...
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takes H+ from water. |
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breaks up water molecules. |
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releases ions into water. |
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donates H+ to water. |
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contains H. |
Part B
In water, every sulfuric acid molecule transfers H+ to water and becomes an HSO4 - ion. Some HSO4 - ions give off another H+ to form SO4 -2 ions. Which statement is true? H2SO4→H++HSO−4⇌H++SO2−4
In water, every sulfuric acid molecule transfers H+ to water and becomes an HSO4 - ion. Some HSO4 - ions give off another H+ to form SO4 -2 ions. Which statement is true?
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H2SO4 is a strong acid and HSO4 - is a weak acid. |
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H2SO4 and HSO4 - are strong acids. |
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Both H2SO4 and HSO4 - are weak acids. |
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H2SO4 is an acid; HSO4 - is not an acid. |
Sub
H2PO−4⇌HPO2−4+H+ HPO2−4⇌PO3−4+H+
In water, phosphoric acid dissociates according to the chemical reactions written below. Which of the following statements about the dissociation of phosphoric acid is true?
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HPO4 2- is a strong acid and H3PO4 and H2PO4 - are weak acids. |
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H3PO4, H2PO4 - and HPO4 2- are all weak acids. |
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H2PO4 - is a strong acid and H3PO4 and HPO4 2- are weak acids. |
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H3PO4, H2PO4 - and HPO4 2- are all strong acids. |
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H3PO4 is a strong acid and H2PO4 - and HPO4 2- are weak acids. |
An X-ray shows a bullet located in a patient's right lung. Therefore it ________.
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is located in the ventral body cavity |
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is located medially to a bullet lodged in the heart |
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is located in the vertebral body cavity |
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has penetrated the visceral peritoneum |
Two water molecules are weakly attracted to each other when a slightly positive hydrogen atom in the first molecule is attracted to the slightly negative oxygen atom on the second molecule. What type of bond is this?
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nonpolar covalent |
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ionic |
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polar covalent |
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hydrogen bond |
Which two organ systems are involved in directly regulating blood pH?
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urinary and respiratory |
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skeletal and cardiovascular |
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urinary and digestive |
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lymphatic and digestive |
Part A
Which of the following choices lists a function or functions of this organelle?
Which of the following choices lists a function or functions of this organelle?
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detoxify drugs and harmful substances |
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modify, sort, and package proteins and lipids |
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digest nutrients, all organelles, and pathogens |
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synthesize proteins |
Convert 4 mm into μm.
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0.04 |
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0.004 |
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400 |
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4000 |
Which is a characteristic of apocrine glands but not eccrine glands?
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open into hair follicles |
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located in the epidermis |
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found on the hands and feet |
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primary function is to regulate body temperature |
Where are apocrine glands found?
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on the scalp |
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palms of hands |
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forehead |
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the axilla |
Which cell is propelled by a flagellum?
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sperm |
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red blood cell |
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neuron |
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cardiac muscle cell |
You are viewing a gland at 100x total magnification and the microscope at that magnification has a field diameter of 5 mm. The gland's width takes up one quarter of the view. What is the size of the gland in mm?
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0.8 mm |
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1.25 mm |
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10 mm |
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20 mm |
The outermost lining of the serous membrane surrounding the lungs is called ________.
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visceral peritoneum |
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visceral pericardium |
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visceral pleura |
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parietal pleura |
Which connective tissue stores minerals?
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cartilage |
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blood |
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bone |
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dense irregular |
Which level of organization consists of two or more cell types working for a common function?
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organ |
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tissue |
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atom |
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cellular |
If a protein denatures, then it has been:
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linked together into a long polypeptide |
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unfolded and broken down |
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catalyzed |
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linked with an enzyme and substrate |
The pubic region is ________ to the iliac region.
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lateral |
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medial |
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proximal |
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superior |
What happens to lactose when mixed with lactase?
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It more rapidly breaks down into monosaccharides. |
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It folds more quickly into quarternary structures. |
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It slowly breaks down into monosaccharides. |
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It more slowly bonds into disaccharides. |
What part of the atom is most critical for creating chemical bonds?
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nucleus |
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neutrons |
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electrons |
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protons |
Which region is only visible on the posterior/dorsal body surface?
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frontal |
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antecubital |
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popliteal |
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femoral |
In cystic fibrosis, if the affected cells swell with liquid from the interstitial fluid, what would happen to the mucus on the surface of those cells?
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It would no longer contain lysosomes and other antimicrobial chemicals. |
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It would be thick, sticky, and difficult to move. |
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It would not be secreted by the cell. |
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It would be too runny or syrupy and be swept away rapidly |
As total magnification increases, the working distance ________.
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stays the same |
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decreases |
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increases |
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is not affected by the total magnification |
The thymus is ________ to the sternum.
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anterior |
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superficial |
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deep |
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latera |
Which stratum of the epidermis is only found in the thick skin of the palms of the hands and soles of the feet?
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stratum basale |
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stratum spinosum |
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stratum corneum |
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stratum lucidum |
Which tissue type is responsible for absorption and secretion of substances?
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epithelial |
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connective |
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nervous |
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muscle |