NEW
Font size
WorksheetsHPC 9 Scientific competition (Day 2)
Total questions: 12
Worksheet time: 12mins
Which of these functional groups are you not going to find in a carbohydrate?
Carbonyl -C=O
Sulfhydryl -SH
Hydroxyl -OH
Ether -C-O-C-
How is fatty acid linked to sphingosine?
Ester linkage
Phosphodiester bond
Peptide bond
Amide linkage
How many peptide bonds are present in a polypeptide chain with 100 amino acids?
More than 100
Exactly 99
Exactly 100
Less than 99
How can you describe a virus?
A cell
A cell that is smaller than a bacteria
An agent
A free protozoa
Which of the following can be treated with antibiotics?
Flu
Cold
Bacterial infection
Viral infections
What do vaccines help the body do?
Cure infections
Strengthen bones
Build immunity to specific diseases
Reduce pain
A 28-year-old pregnant woman reports discomfort in her lower back as her pregnancy progresses. The physician notices an exaggerated curve in the lower back due to pregnancy. Which of the following abnormal curves is most likely she is having?
Kyphosis
Lordosis
Scoliosis
Hunchback
The nurse informed the patient that she will draw blood from his antecubital region. Which of the following regions was she referring to?
The back of the forearm
The dorsal of his hand
The back of the knee
The front of the elbow
Which of the following is an anti-apoptotic protein?
Bcl 10
Bax
Bak
Bcl-x
In sickle cell anemia, glutamic acid is replaced by which of the following amino acids?
Alanine
Valine
Lysine
Histidine
A 25-year-old patient is diagnosed with multiple sclerosis (MS). The patient reports visual disturbances, muscle weakness, and impaired coordination. MRI shows demyelination in multiple regions of the central nervous system (CNS).
What is the primary physiological consequence of demyelination in the CNS?
Decreased speed of action potential conduction
Increased synaptic transmission
Hyperpolarization of neurons
Enhanced neurotransmitter release
Which of the following is the primary physiological action of parathyroid hormone (PTH)?
Decrease blood calcium levels by inhibiting bone resorption
Increase blood calcium levels by stimulating calcium release from bones and enhancing calcium reabsorption in the kidneys
Decrease blood calcium levels by increasing calcium excretion in the urine
Increase blood calcium levels by promoting calcium absorption in the intestines only
