Question 1

Which of the following best describes the anatomical position used as a reference in human anatomy?

Accepted Answer

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

Question 2

A student observes a cell under a microscope and identifies a structure responsible for packaging and modifying proteins. Which organelle is the student most likely observing?

Accepted Answer

Golgi apparatus

Question 3

During an experiment, a red blood cell is placed in a solution and swells until it bursts. Which of the following best describes the tonicity of the solution and the process occurring?

Accepted Answer

The solution is hypotonic, and water enters the cell by osmosis

Question 4

Which of the following best explains why facilitated diffusion differs from simple diffusion?

Accepted Answer

Facilitated diffusion requires membrane proteins to transport substances across the plasma membrane

Question 5

A histology slide shows a single layer of flat cells lining the air sacs of the lungs. Which type of epithelial tissue is this?

Accepted Answer

Simple squamous epithelium

Question 6

Which connective tissue type is specialized for energy storage and insulation?

Accepted Answer

Adipose tissue

Question 7

Which layer of the skin contains the majority of accessory structures such as hair follicles, sweat glands, and sebaceous glands?

Accepted Answer

Dermis

Question 8

A patient suffers a fracture in the diaphysis of the femur. Which type of bone tissue is most abundant in this region?

Accepted Answer

Compact bone

Question 9

Which of the following joints is classified as a synovial joint and allows for the greatest range of motion?

Accepted Answer

Shoulder joint (glenohumeral joint)

Question 10

Which of the following best describes the function of the sarcoplasmic reticulum in skeletal muscle cells?

Accepted Answer

Stores and releases calcium ions ($$\mathrm{Ca$$^{2+}$$}) $$necessary for muscle contraction

Question 11

A muscle cell is observed to have striations, multiple nuclei, and is under voluntary control. Which type of muscle tissue is this?

Accepted Answer

Skeletal muscle

Question 12

Which of the following best describes the role of the t-tubules in skeletal muscle fibers?

Accepted Answer

Transmit action potentials from the sarcolemma to the interior of the muscle fiber

Question 13

Which neuroglial cell is responsible for forming the myelin sheath in the central nervous system?

Accepted Answer

Oligodendrocyte

Question 14

A patient is unable to feel touch on the lateral side of their forearm. Which spinal plexus is most likely involved?

Accepted Answer

Brachial plexus

Question 15

Which region of the brain is primarily responsible for coordination of voluntary movements and balance?

Accepted Answer

Cerebellum

Question 16

A person with 20/100 vision on the Snellen eye chart is considered to have which condition?

Accepted Answer

Myopia (nearsightedness)

Question 17

Which structure in the ear is primarily responsible for detecting rotational movements of the head?

Accepted Answer

Semicircular canals

Question 18

During mitosis, which phase is characterized by the alignment of chromosomes along the center of the cell?

Accepted Answer

Metaphase

Question 19

Which of the following best describes the movement of $$\mathrm{Na^+}$$ ions during the generation of an action potential in a neuron?

Accepted Answer

$$\mathrm{Na^+}$$ ions rapidly enter the neuron, causing depolarization

Question 20

A patient is diagnosed with damage to the Pacinian (lamellar) corpuscles in the skin. Which sensation is most likely to be affected?

Accepted Answer

Deep pressure and vibration

BIOL-105 Lab Final Exam Study Guide: Human Anatomy and Physiology Essentials

Study Guide - Practice Questions

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