Q: Which of the following is a correct equation for the hydrolysis of ATP, the cell's energy currency?

$$\mathrm{ATP} + \mathrm{H}_2\mathrm{O} \rightarrow \mathrm{ADP} + \mathrm{P}_i + \text{energy}$$

Q: Which equation best represents the relationship between muscle contraction and calcium ions?

$$\text{Muscle contraction} \propto [\mathrm{Ca}^{2+}]$$

Q: Which equation best represents the flow of information in a reflex arc?

$$\text{Receptor} \rightarrow \text{Sensory neuron} \rightarrow \text{CNS} \rightarrow \text{Motor neuron} \rightarrow \text{Effector}$$

Question 1

Which organ system is primarily responsible for the production of hormones that regulate slow, long-term changes in the body, such as growth and metabolism?

Accepted Answer

Endocrine system

Question 2

A patient is experiencing high blood glucose levels. Which feedback mechanism is most likely to be activated to restore homeostasis, and what is the general principle behind it?

Accepted Answer

Negative feedback; reverses the change in glucose levels

Question 3

Which anatomical plane divides the body into left and right portions?

Accepted Answer

Sagittal plane

Question 4

A molecule with an uneven distribution of charge that readily dissolves in water is best described as:

Accepted Answer

Polar and hydrophilic

Question 5

Which of the following is a correct equation for the hydrolysis of ATP, the cell's energy currency?

Accepted Answer

$$\mathrm{ATP} + \mathrm{H}_2\mathrm{O} ightarrow \mathrm{ADP} + \mathrm{P}_i + 	ext{energy}$$

Question 6

Which organelle is primarily responsible for the synthesis of proteins, and what is the process called?

Accepted Answer

Ribosomes; translation

Question 7

A cell is placed in a solution with a higher solute concentration than its cytoplasm. Which transport process will occur, and what is the expected outcome?

Accepted Answer

Osmosis; water will leave the cell causing it to shrink

Question 8

Which tissue type is specialized for absorption and secretion, and is found lining the intestines?

Accepted Answer

Simple columnar epithelium

Question 9

Which layer of the skin is responsible for the production of vitamin D when exposed to sunlight?

Accepted Answer

Epidermis

Question 10

During endochondral ossification, which type of tissue is replaced by bone?

Accepted Answer

Cartilage

Question 11

Which bone cell is responsible for breaking down bone matrix, and what is the process called?

Accepted Answer

Osteoclast; resorption

Question 12

A synovial joint that allows movement in multiple directions, such as the shoulder, is classified as:

Accepted Answer

Ball-and-socket joint

Question 13

Which equation best represents the relationship between muscle contraction and calcium ions?

Accepted Answer

$$	ext{Muscle contraction} \propto [\mathrm{Ca}^{2+}]$$

Question 14

Which neurotransmitter is released at the neuromuscular junction to initiate muscle contraction?

Accepted Answer

Acetylcholine

Question 15

During an action potential, which sequence correctly describes the changes in membrane potential?

Accepted Answer

Depolarization → repolarization → propagation

Question 16

A patient with damage to the occipital lobe of the cerebral cortex is most likely to experience deficits in:

Accepted Answer

Vision

Question 17

Which equation best represents the flow of information in a reflex arc?

Accepted Answer

$$	ext{Receptor} ightarrow 	ext{Sensory neuron} ightarrow 	ext{CNS} ightarrow 	ext{Motor neuron} ightarrow 	ext{Effector}$$

Question 18

Which division of the autonomic nervous system is responsible for increasing heart rate and dilating pupils during a stressful situation?

Accepted Answer

Sympathetic

Question 19

Which receptor type is primarily involved in detecting changes in blood pH and carbon dioxide levels?

Accepted Answer

Chemoreceptors

Question 20

A patient presents with cloudy vision due to a loss of lens transparency. Which disorder is most likely responsible?

Accepted Answer

Cataracts

BI-013 Final Exam Study Guide: Human Anatomy & Physiology Essentials

Study Guide - Practice Questions

Study Guide - Flashcards