Question 1

Which of the following best describes the primary function of epithelial tissue in the human body?

Accepted Answer

To cover body surfaces and line internal cavities, providing protection and selective permeability

Question 2

A patient presents with a malignant tumor in the epithelial tissue of the skin. Which process is most directly involved in the development of this cancer?

Accepted Answer

Abnormal cell division due to mutations in the cell cycle regulatory genes

Question 3

During lab, you observe a slide of connective tissue. Which characteristic would help you distinguish it from epithelial tissue?

Accepted Answer

Abundant extracellular matrix with scattered cells

Question 4

Which of the following equations correctly represents the process of cellular respiration in human cells?

Accepted Answer

$$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + ATP$$

Question 5

A researcher is testing the effect of a new drug on muscle contraction. Which scientific method step should be performed first?

Accepted Answer

Identify and define the research question or problem

Question 6

Which of the following is a correct application of anatomical terminology when describing the location of the heart?

Accepted Answer

The heart is superior to the diaphragm

Question 7

A patient has damage to the nervous tissue in the spinal cord. Which function is most likely to be impaired?

Accepted Answer

Transmission of sensory and motor signals between the brain and body

Question 8

Which of the following best explains why the scientific method is important in anatomy and physiology?

Accepted Answer

It provides a systematic approach to investigating biological processes and validating findings

Question 9

A student is asked to compare the male and female pelvis. Which anatomical feature is typically wider in females than in males?

Accepted Answer

Pelvic inlet

Question 10

Which of the following is a vestigial structure in humans?

Accepted Answer

Appendix

Question 11

A patient is experiencing muscle weakness due to a lack of calcium ions. Which equation best represents the role of calcium in muscle contraction?

Accepted Answer

$$Ca^{2+} + $$Troponin \rightarrow Conformational\ Change \rightarrow Actin-Myosin\ Binding$$

Question 12

Which of the following best describes the function of the nervous system?

Accepted Answer

To regulate and coordinate body activities by transmitting electrical and chemical signals

Question 13

A patient has a deficiency in acetylcholine at the neuromuscular junction. What is the most likely effect?

Accepted Answer

Decreased muscle contraction

Question 14

Which of the following is a correct sequence of events in the cell cycle leading to cell division?

Accepted Answer

G1 phase \rightarrow S phase \rightarrow G2 phase \rightarrow M phase

Question 15

A scientist is evaluating enzyme activity in a tissue sample. Which variable should be controlled to ensure valid results?

Accepted Answer

Temperature of the sample

Question 16

Which of the following best describes the role of osteoclasts in bone tissue?

Accepted Answer

Osteoclasts resorb and break down bone tissue

Question 17

A patient is unable to distinguish between sweet and salty tastes. Which special sense is most likely affected?

Accepted Answer

Gustation

Question 18

Which of the following is a correct example of a scientific hypothesis related to muscle fatigue?

Accepted Answer

Muscle fatigue occurs when lactic acid accumulates in muscle cells during intense exercise

Question 19

A student is asked to label the structures of a microscope. Which part is responsible for adjusting the amount of light passing through the specimen?

Accepted Answer

Iris diaphragm

Question 20

A patient with a spinal cord injury cannot move their legs but can move their arms. Which region of the spinal cord is most likely affected?

Accepted Answer

Thoracic region

BIOL 2010: Human Anatomy & Physiology I – Syllabus and Course Structure Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard