Unit Test Answers

Which part of the autonomic system is most likely to be dominant while someone is napping after lunch?

Veins take blood back to the heart. Which gas would be most abundant in a vein that takes blood from muscle cells in the arm back to the heart?

Heather presented to her class a report about the pancreas. Which statement in Heather’s report was not accurate?

Which of the following statements best describes the role of hormones in the body?

Leukopenia is a condition characterized by a decrease in white blood cells. What effect does leukopenia have on the body's ability to fight infection?

Which injury would likely cause the body to permanently lose the ability to perform simple reflexes?

Doctors do not administer vaccinations to people who are too sick. Which best explains why?

High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. By changing the amount of water in the blood, blood pressure can change. The excretory system can help to lower blood pressure.Which would most likely occur in the kidney?

Sound can be heard when air passes over a respiratory structure that is located between the pharynx and the trachea.Which structure is responsible for the voice?

Lice are small wingless insects that make their home in human hair and feed on very small amounts of blood from the scalp. They can be transferred from person to person and through the use of contaminated items such as brushes or pillows. Which type of disease is lice infestation?

Barry was on an antibiotic, but after he took all of it, he had a rash and the doctor prescribed him an antihistamine. Which most likely describes what happened to Barry?

Which of the following describes the epididymis?

Lewis is exercising and his muscles need oxygen. Which best describes how systems interact to bring his body into homeostasis?

The picture represents a protein in the stomach being broken down into individual amino acids.

The picture is a cross section of a bone.

What does the immune system protect the body against?

Which type of muscle tissue is both voluntary and striated?

In the 1950s, the structure of DNA was discovered by using models and x-ray chromatography. Currently, science has used advanced technology to completely map out the genes in a human’s body. What would be the best advantage of using this information?

The graph shows the changing levels of hormones during menstruation and ovulation. In general, what happens to the hormone levels between days 21 and 27, just prior to menstruation if the egg was not fertilized?

Once the body has begun shivering, what happens to make it stop shivering?

Which product of respiration is considered waste material and leaves the alveoli?

Which blood component makes up 41% of the blood’s volume?

Which is the temporary storage tank for urine?

PeristalsisSalivationDigestionSecretion

Which causes a drop in female hormone levels?