Q 1
Acceptable blood pressure for a human being is under .
140/90
The average heart rate value for a healthy adult is beats/min.
70
filtration of wastes from the blood
Bowman's capsule
Which gas will be absorbed by the erythrocytes to the exclusion of oxygen?
CO
All veins carry dark CO2-rich blood.
False
External respiration includes expelling CO2 from cells in the body.
False
Food moves from the mouth to the stomach through a long tube called the trachea.
False
The diaphragm muscles must contract in order to force air out of the lungs (exhale).
False
The lungs contain elastic muscle tissue to permit inhalation.
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
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
Which blood vessels carry oxygenated blood?
the arteries carrying blood to the body the veins leaving the lungs the aorta
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