Biology Quiz 1 - Digestive system

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Which blood vessels carry oxygenated blood?

- the veins leaving the lungs - the aorta - the arteries carrying blood to the body

Acceptable blood pressure for an adult is around...

120/80

The average heart rate value for a healthy adult is ________ beats/min.

70

filtration of wastes from the blood =

Bowsman's capsule

Which gas will be absorbed by the erythrocytes to the exclusion of oxygen?

CO

All veins carry dark CO 2 -rich blood. True or False?

False

External respiration includes expelling CO 2 from cells in the body. True or False?

False

Food moves from the mouth to the stomach through a long tube called the trachea. True or False?

False

The diaphragm muscles must contract in order to force air out of the lungs (exhale). True or False?

False

The lungs contain elastic muscle tissue to permit inhalation. True or False?

False

The clotting of blood includes all of the following materials except:

Rh factor

The waste product eliminated by the lungs is carbon dioxide. True or False?

True

The trachea divides into ____________ tubes.

bronchial

A major cause of emphysema as stated in the text is:

cigarette smoking

The lower pressure between heart contractions is called...

diastolic pressure

stores bile =

gall bladder

The pigment in the red blood cells that carries oxygen is called...

hemoglobin

Hypertension is a condition involving:

high blood pressure within the arteries of the body

Alveoli are structures that are:

important in respiration within the lungs

intestinal flora =

large intestine

The vocal cords which make the sounds that enable us to speak are contained within the:

larynx

The cellular component of the blood that is involved in the body's defenses is called ________________ , and the cellular component that contains hemoglobin is called ____________________

leukocytes, erythrocytes

Which organ produces bile?

liver

secretes digestive enzymes into the small intestine =

pancreas

the sac around the heart =

pericardium

When foreign materials like bacteria enter the body, certain types of white blood cells eat or engulf these particles by a process known as...

phagocytosis

The function of the nephron is to:

produce urine by filtering blood

Antibodies are:

proteins

A, B, AB, and O blood groups are distinguished by:

proteins on the erythrocytes

The purpose of the left ventricle is to:

pump blood to the upper and lower body

secretion for digestion in mouth =

salivary glands

The breakdown of food into molecules small enough to enter the blood stream is primarily accomplished in the:

small intestine

digestion and absorption of food =

small intestine

hydrochloric acid to digest food =

stomach

The upper pressure in the arteries when the heart is contracting is called...

systolic pressure

The exchange of gases for internal cellular respiration is accomplished by:

the circulatory system

Two basic processes exist in the kidney, filtration and reabsorption. Reabsorption occurs in which of the following kidney structures?

tubules

reabsorption of needed materials by the kidney =

tubules

What is found in the kidney pelvis?

urine

fingerlike projections for absorption of nutrients =

villi


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