Biology Quiz 1 - Digestive system
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
