Q: Which equation correctly represents the calculation of pH in a solution?

$$\text{pH} = -\log_{10}[\text{H}^+]$$

Question 1

Which of the following best describes the principle of complementarity of structure and function in human anatomy?

Accepted Answer

The structure of a body part is directly related to its function, and changes in structure can affect function.

Question 2

Which feedback mechanism is responsible for maintaining homeostasis by reversing a change in a controlled condition?

Accepted Answer

Negative feedback

Question 3

A solution is made by dissolving 10 grams of glucose (C$$_6H$_{12}O$_6) in 100 mL of $$water. In this scenario, which is the solute and which is the solvent?

Accepted Answer

Glucose is the solute; water is the solvent.

Question 4

Which of the following best describes the function of mitochondria in a typical human cell?

Accepted Answer

ATP production through aerobic respiration

Question 5

Which type of tissue is responsible for transmitting electrical impulses throughout the body?

Accepted Answer

Nervous tissue

Question 6

A patient presents with a third-degree burn. Which of the following layers of the skin are affected?

Accepted Answer

Epidermis, dermis, and hypodermis

Question 7

Which of the following is a function of the skeletal system?

Accepted Answer

Storage of calcium and phosphorus

Question 8

Which process describes the formation of bone from a cartilage template during fetal development?

Accepted Answer

Endochondral ossification

Question 9

Which equation correctly represents the calculation of pH in a solution?

Accepted Answer

$$	ext{pH} = -\log_{10}[	ext{H}^+]$$

Question 10

Which of the following best describes the sliding filament theory of muscle contraction?

Accepted Answer

Actin filaments slide past myosin filaments, shortening the sarcomere.

Question 11

Which of the following is a characteristic of a synovial joint?

Accepted Answer

Presence of a joint cavity filled with synovial fluid

Question 12

Which of the following best describes the function of the blood-brain barrier?

Accepted Answer

It selectively allows certain substances to pass from the blood into the brain while blocking others.

Question 13

Which of the following is a correct pairing of a neurotransmitter and its primary function in the autonomic nervous system?

Accepted Answer

Norepinephrine – stimulates the fight-or-flight response

Question 14

A patient has a spinal cord injury at the level of the cervical vertebrae. Which of the following is a likely immediate effect?

Accepted Answer

Loss of sensation and movement in all four limbs

Question 15

Which of the following best describes the function of the sarcomere in muscle tissue?

Accepted Answer

It is the basic contractile unit of muscle fiber.

Question 16

Which of the following is a function of the integumentary system?

Accepted Answer

Regulation of body temperature

Question 17

Which of the following best describes the role of the sodium-potassium pump in neurons?

Accepted Answer

It actively transports sodium out of the cell and potassium into the cell, maintaining the resting membrane potential.

Question 18

Which of the following is a correct description of the anatomical position?

Accepted Answer

Standing upright, facing forward, arms at the sides, palms facing forward

Question 19

Which of the following best describes the function of the Golgi apparatus in a cell?

Accepted Answer

Modification, sorting, and packaging of proteins for secretion

Question 20

Which of the following is a correct example of a negative feedback mechanism in the human body?

Accepted Answer

Release of insulin to lower blood glucose after a meal

BIOL 2113 Anatomy and Physiology I – Course Syllabus and Study Guide

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