Q: Which of the following is the correct formula to convert a temperature from Celsius ($$C) to $$Fahrenheit ($$F$$)?

$$F = (C \times \frac{9}{5}) + 32$$

Question 1

A patient is lying face up on an examination table with their arms at their sides and palms facing forward. Which anatomical position is being described?

Accepted Answer

Supine position

Question 2

Which anatomical plane divides the body into equal right and left halves?

Accepted Answer

Midsagittal plane

Question 3

A nurse describes a wound as being 'proximal to the wrist on the forearm.' What does 'proximal' mean in this context?

Accepted Answer

Closer to the point of attachment to the trunk

Question 4

Which movement describes turning the palm of the hand from facing upward to facing downward?

Accepted Answer

Pronation

Question 5

A solution has a pH of 4. What happens to the concentration of hydrogen ions $$[H^+] if $$the pH increases to 6?

Accepted Answer

The concentration of $$[H^+]$$ decreases by 100 times

Question 6

Which of the following is the correct formula to convert a temperature from Celsius ($$C) to $$Fahrenheit ($$F$$)?

Accepted Answer

$$F = (C 	imes \frac{9}{5}) + 32$$

Question 7

A scientist needs to prepare 250 mL of a 1:10 dilution from a stock solution. How much stock solution and how much solvent should be mixed?

Accepted Answer

25 mL stock solution, 225 mL solvent

Question 8

Which of the following best describes the relationship between solute concentration and the rate of diffusion across a membrane?

Accepted Answer

As solute concentration increases, the rate of diffusion increases

Question 9

A red blood cell is placed in a hypotonic solution. What will happen to the cell?

Accepted Answer

The cell will swell and may burst due to water gain

Question 10

Which of the following best describes the type of bond formed between the oxygen atom of one water molecule and the hydrogen atom of another water molecule?

Accepted Answer

Hydrogen bond

Question 11

A tissue sample under the microscope shows long, cylindrical, multinucleated cells with obvious striations. Which tissue type is this most likely to be?

Accepted Answer

Skeletal muscle tissue

Question 12

Which of the following is a correct statement about osmosis?

Accepted Answer

Osmosis is the movement of water from low solute concentration to high solute concentration

Question 13

Which of the following is NOT a major element found in biological molecules?

Accepted Answer

Calcium

Question 14

A student observes a cell under a microscope and identifies a plasma membrane, cytoplasm, and a nucleus. Which type of cell is most likely being observed?

Accepted Answer

Animal cell

Question 15

Which of the following best describes the function of carrier proteins in the plasma membrane?

Accepted Answer

They facilitate the movement of specific molecules that cannot diffuse directly through the lipid bilayer

Question 16

If a solution contains 0.5 moles of solute in 1 liter of solution, what is its molarity ($$M$$)?

Accepted Answer

$$M = \frac{0.5\ mol}{1\ L} = 0.5\ M$$

Question 17

Which of the following best explains why immersion oil is used with the 100x objective lens on a light microscope?

Accepted Answer

It reduces light refraction and increases resolution

Question 18

Which of the following best describes a saturated fatty acid?

Accepted Answer

It contains only single bonds between carbon atoms

Question 19

A graph shows the relationship between temperature (x-axis) and enzyme activity (y-axis). Which is the independent variable?

Accepted Answer

Temperature

Question 20

Which chemical process is used to break peptide bonds during protein digestion?

Accepted Answer

Hydrolysis

Anatomy & Physiology I: Foundational Concepts, Lab Skills, and Core Principles

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