Question 1

Which organelle, labeled 'D' in the first image, is primarily responsible for packaging and modifying proteins for secretion?

Accepted Answer

Golgi apparatus

Question 2

A patient presents with a genetic disorder affecting the production of collagen, a protein synthesized in the rough endoplasmic reticulum. Which labeled structure in the first image is most directly involved in this process?

Accepted Answer

E

Question 3

Which plane divides the body into anterior and posterior sections?

Accepted Answer

Frontal (coronal) plane

Question 4

Which of the following best describes the function of the mitochondria (labeled 'B' in the first image)?

Accepted Answer

ATP production through cellular respiration

Question 5

Which layer of the skin, indicated by '1' in the second image, is responsible for providing a waterproof barrier and creating our skin tone?

Accepted Answer

Epidermis

Question 6

A burn that damages the structure labeled '7' in the second image would most likely affect which function?

Accepted Answer

Fat storage and insulation

Question 7

Which of the following is the correct complementary DNA sequence for the strand 5'-ATGCCGTA-3'?

Accepted Answer

3'-TACGGCAT-5'

Question 8

Which type of joint allows for the greatest range of motion, such as the shoulder or hip?

Accepted Answer

Ball-and-socket joint

Question 9

Which hormone is most directly involved in increasing blood calcium levels by stimulating osteoclast activity?

Accepted Answer

Parathyroid hormone (PTH)

Question 10

In the sarcomere diagram (fifth image), what is the primary function of the Z line?

Accepted Answer

Separates one sarcomere from the next

Question 11

During muscle contraction, which ion is released from the sarcoplasmic reticulum to initiate the process?

Accepted Answer

Calcium (Ca\^{2+})

Question 12

Which process describes the movement of molecules from an area of higher concentration to an area of lower concentration, as seen in oxygen exchange in the lungs?

Accepted Answer

Simple diffusion

Question 13

Which type of RNA carries the genetic code from the DNA in the nucleus to the ribosome for protein synthesis?

Accepted Answer

mRNA

Question 14

A patient has a mutation in the gene coding for the protein dystrophin, affecting muscle contraction. Which structure in the sixth image is most directly impacted?

Accepted Answer

Thin filament (actin)

Question 15

Which of the following best describes the function of osteons in compact bone?

Accepted Answer

Provide structural support and house blood vessels

Question 16

Which muscle group, visible in the fourth image, is primarily responsible for flexing the forearm at the elbow?

Accepted Answer

Biceps brachii

Question 17

Which of the following best describes the role of ATP in the muscle contraction cycle (sixth image)?

Accepted Answer

Provides energy for the myosin head to detach from actin

Question 18

Which body cavity contains both the heart and lungs?

Accepted Answer

Thoracic cavity

Question 19

Which of the following is a function of the skin's sweat glands, as shown in the second image?

Accepted Answer

Regulation of body temperature

Question 20

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, arms at sides, palms facing forward

BIO163 Exam 1 Study Guide: Human Body, Cells, Skin, Skeleton, and Muscles

Study Guide - Practice Questions

Study Guide - Flashcards