Biology Test 3

Without melanocytes, skin would
Not tan
Which of the following is a function of skin?
All of these are correct
Fluid balance is a primary goal of which system?
Which system helps control pH balance?
B and C (respiratory and urinary)
The correct order for homeostatic processing is
Sensory detection, control center, effect brings about change in body
Which allows rapid change in one direction and does not achieve stability?
Positive feedback
Which of the following is an example of negative feedback?
Insulin decreases blood sugar levels after eating a meal
Which of the following is a structural difference between the urinary systems of males and females
All of these
Which part of a nephron is out of sequence?
Distal convoluted tubule
When tracing the path of filtrate, the loop of the nephron follows which structure?
Proximal convoluted tubule
The function of the descending limb of the loop of nephron in the process of urine formation is
Reabsorption of water
Which of the following materials would not normally be filtered from the blood at the glomerulus
Reabsorption of the glomerular filtrate occurs primarily at the
Proximal convoluted tubule
Which of these hormones is most likely to directly cause a drop in blood pressure?
Atrial natriuretic hormone
The presence of ADH (antidiuretic hormone) causes an individual to excrete
Less water
To lower blood acidity
Hydrogen ions are excreted, and bicarbonate ions are excreted
Which of the following cerebral areas is not correctly matched with it's function?
Temporal lobe-primary motor area
The hypothalamus does not
Control skeletal muscles
Which of the following brain regions is not correctly matched to its function?
thalamus-secretes melatonin that regulates daily body rhythms
A spinal nerve takes nerve cells
Both to and away from CNS
Which of these are the first and last elements in a spinal reflex?
Sensory receptor and muscle effecter
The autonomic systej has two divisions called the...
sympathetic and parasympathetic divisions
The sympathetic division of the autonmoic system does not cause
The gastrointestial tract to digest food
Which of these associations are mismatched?
Vasa deferentia-seminal fluid production
Follicle-stimulating hormone (FSH)
Both B and C
Int racing the path of sperm, you would mention the vasa deferentia before the
Semen does not contain
The scrotum is
Important in regulating the temperature of the testes
Testosterone is produced and secreted by
Interstitial cells
Luteinizing hormone in males
Controls testosterone production by interstitial cells
Secondary sex characteristics are
those characteristics that develop after puberty
The release of the oocyte from the follicle is caused by
A surge in the level of luteinizing hormone
Which of the following is not an event of the ovarian cycle?
The endometrium thickens
An oocyte is fertilized in the
Following implantation, the corpus luteum in maintained by
human chorionic gonadotopin
During pregnancy
The ovarian and uterine cycles do not occur