Question 1

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

Accepted Answer

Forming the covering of both external and internal body surfaces, with roles in protection, secretion, absorption, and filtration

Question 2

A patient is diagnosed with hypothyroidism. Which of the following symptoms would you most likely expect to observe?

Accepted Answer

Low blood pressure, weight gain, and feeling cold

Question 3

Which connective tissue type is responsible for storing energy and insulating the body?

Accepted Answer

Adipose tissue

Question 4

Which of the following is an example of a negative feedback loop in human physiology?

Accepted Answer

Regulation of blood glucose by insulin and glucagon

Question 5

Which muscle tissue type is responsible for voluntary movements such as walking?

Accepted Answer

Skeletal muscle

Question 6

Why is blood classified as a connective tissue?

Accepted Answer

It consists of cells scattered in a non-living matrix (plasma)

Question 7

Which organ system is primarily responsible for exchanging gases with the environment?

Accepted Answer

Respiratory system

Question 8

A person is exposed to cold temperatures. Which sequence of events best describes the body's response to maintain homeostasis?

Accepted Answer

Vasoconstriction, shivering, and warming

Question 9

Which of the following best explains why the pancreas is considered to have dual functions?

Accepted Answer

It secretes both digestive enzymes and hormones into the blood

Question 10

Which tissue type is specialized for rapid communication and coordination of body functions?

Accepted Answer

Nervous tissue

Question 11

Which of the following is a real-life example of a positive feedback loop?

Accepted Answer

Uterine contractions during childbirth

Question 12

Which of the following best describes the role of the thyroid gland?

Accepted Answer

Regulates metabolism, development, and reproduction

Question 13

Which of the following is NOT a function of epithelial tissue?

Accepted Answer

Transmitting electrical impulses

Question 14

A person with diabetes mellitus has trouble regulating which variable?

Accepted Answer

Blood glucose levels

Question 15

Which of the following best describes the relationship between the digestive and circulatory systems during cellular respiration?

Accepted Answer

The digestive system breaks down food into nutrients, and the circulatory system transports those nutrients to body cells

Question 16

Which of the following is a function of smooth muscle tissue?

Accepted Answer

Moving the walls of internal organs such as the intestines and blood vessels

Question 17

Which of the following best describes the process of osmoregulation?

Accepted Answer

The control of solute concentrations and water balance in cells and bodies

Question 18

Which of the following is a plausible outcome if the thyroid gland produces too much hormone?

Accepted Answer

High blood pressure, weight loss, and overheating

Question 19

Which of the following best explains why insulin and glucagon are considered antagonistic hormones?

Accepted Answer

The effects of one oppose the effects of the other, maintaining glucose homeostasis

Question 20

A person is sweating on a hot day and turns on a fan to cool off. Which two mechanisms are working together to cool the body?

Accepted Answer

Evaporative cooling and convection

Human Tissues, Body Systems, and Homeostasis: An Introductory Biology Study Guide

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