quiz 22-24
List the three functions of the digestive system?
1. To break down the food you eat 2.Release their nutrients 3.absorb those nutrients
What three steps does the hypothalamus initiate to increase body temperature?
1.Constrict superficial arteries 2.Shivering increases 3.Thyroid stimulates cells to increase metabolic heat production; blood flow to digestive system decreases
List the three accessory organs of the digestive system ?
1.Liver 2.Pancreas 3.Gallbladder
Which of the following anatomical structures is NOT part of the conducting zone?
Alveoli
Amino acids are need to ___________________?
Build new proteins
Which of the following are structural features of the trachea?
C-shape cartilage
The most common mineral in the body are___________________ and ______________________
Calcium; Phosphorous
___________ reactions break down large organic molecules into smaller molecules, while _________________ reactions involves the joining of smaller molecules into larger ones
Catabolic; Anabolic
Which part of the large intestine attaches to the appendix?
Cecum
Which of these processes occurs in the mouth?
Chemical digestion ingestion Mechanical digestion =All the above
The heat you feel on your chair when you stand up was transferred from your skin via_________________?
Conduction
If an amino acid is NOT used to create new proteins, it can be_____________?
Converted to glucose or ketones
The small intestines is where all the digestion and all the absorption occurs?
False
The stomach is the location where all digestion takes place?
False
Which of the following molecules yield the most energy?
Fats
Which of the following structures the lung into lobes?
Fissure
________________is the body's most readily available source of energy?
Glucose
Oxyhemoglobin forms by a chemical reaction between which of the following?
Hemoglobin and oxygen
Gas moves from an area of___________ partial pressure to a n ares of _____________________ partial pressure?
High; low
increased ventilation that results in an increase in the blood pH is called____________________________?
Hyperventilation
A decrease in the volume leads to a(n)__________________pressure?
Increase in
What is the function of the conchae in the nasal cavity?
Increase surface area
Gas exchange that occurs at the level of the tissue is called?
Internal respiration
The partial pressure of carbon dioxide is 45 mm Hg in the blood and 40 mm Hg in the alveoli. what happen to the carbon dioxide?
It diffuses into the alveoli
A deficiency in vitamin A can result in___________?
Night blindness
A smoker develops damage to several alveoli that then can no longer function. How does this affect gas exchange?
Partial pressure to damage alveoli will decrease causing constriction to the pulmonary capillaries; poor oxygen exchange at the area
Your organs, especially your brain, need a continuous supple of glucose. How does your body meet this constant demand for energy?
Processes the food you eat for both immediate us and stores the extra for use later one
Which of these processes occurs throughout most of the alimentary canal
Propulsion
When the body goes into "survival mode" what are the two priorities for survival?
Provide glucose or fuel for the brain and conserve amino acids for proteins
Which of the following processes does atmospheric pressure play a role in?
Pulmonary ventilation
During gastric emptying, chyme is released into the duodenum through the ?
Pyloric sphincter
A crowded room warms up through the mechanism of__________
Radiation
Which of the following prevents the alveoli from collapsing?
Residual volume
Digestion of proteins begin in the ________________ where __________ and ____________ mix with food to break down protein into_______________.
Stomach; pepsin; HCI; Amino acids
Explain how you are able to eat and breath at the same time?
The palate or arch in your mouth allows you to eat and breathe at the same time
Contraction of the external intercostal muscles causes which of the following to occur?
The ribs are sternum move upward
If the lowers esophageal sphincter does not completely close, you may have heartburn or GERD
True
The production of intrinsic factor is the stomach's only function necessary for life?
True
__________________is the voluntary contraction of the diaphragm and abdominal wall muscles and closing of the glottis, which increases intra- abdominal pressure and facilitates defecation
Valsalva's maneuver
The pleura that surrounds the lungs consists of two layers, the________?
Visceral and parietal pleurae
Rickets result in improper bone development in children that arises from the malabsorption of calcium and a deficient in ________________________?
Vitamin D
According to recent reports, the appendix has absolutely no function
false
The Body's temperature is controlled by the______________. This temperature is normally kept between _____________________.
hypothalamus; 97.7 - 99.5 F
