Shorts

What disease is associated with inhalation of dust from infected wool?
1) Cutaneous anthrax
2) Pulmonary anthrax
3) Gastrointestinal anthrax
4) None of the above

Why is the protospacer adjacent motif (PAM) sequence critical for CRISPR-Cas9 targeting?
1) It acts as a binding site for the guide RNA
2) It increases the mutation rate at the target site
3) It prevents off-target effects during gene editing
4) It is required for Cas9 to recognize and cleave the target DNA

Which of the following is NOT a type of C1. Perfringens that can cause food poisoning?

1) C1. Perfringens type A

2) C1. Perfringens type B

3) C1. Perfringens type C

4) C1. Perfringens type D

Which of the following describes the colony morphology of Bacillus anthracis on an agar plate?
1) Smooth and shiny
2) Irregularly round with a frosted glass appearance
3) Small and translucent
4) Large and mucoid

What is the significance of "Rose spots" in typhoid fever?

1) They indicate the presence of a complication such as intestinal perforation.

2) They are a diagnostic sign of typhoid fever.

3) They indicate the patient is no longer infectious.

4) They indicate the patient has developed antibodies to the bacterium.

How is Trichinella spiralis, the causative agent of trichinosis, primarily transmitted to humans?
1) Through the bite of a mosquito
2) By consuming undercooked meat containing larvae
3) Through direct contact with contaminated water
4) Via inhalation of spores

Which of the following statements is true regarding Bacillus anthracis?
1) It is motile.
2) It is capsulated.
3) It grows in short chains.
4) It is susceptible to chloral hydrate.

Which of the following is NOT a characteristic of anthracoid bacilli?
1) Generally motile
2) Non-capsulated
3) Grow in long chains
4) Pathogenic to laboratory animals